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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 27, Iss. 2 — Jan. 15, 2002
  • pp: 98–100

Real-time phase-resolved functional optical coherence tomography by use of optical Hilbert transformation

Yonghua Zhao, Zhongping Chen, Zhihua Ding, Hongwu Ren, and J. Stuart Nelson  »View Author Affiliations


Optics Letters, Vol. 27, Issue 2, pp. 98-100 (2002)
http://dx.doi.org/10.1364/OL.27.000098


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Abstract

We have developed a novel real-time phase-resolved functional optical coherence tomography system that uses optical Hilbert transformation. When we use a resonant scanner in the reference arm of the interferometer, with an axial scanning speed of 4 kHz, the frame rate of both structural and Doppler blood-flow imaging with a size of 100 by 100 pixels is 10 Hz. The system has high sensitivity and a larger dynamic range for measuring the Doppler frequency shift that is due to moving red blood cells. Real-time images of in vivo blood flow in human skin obtained with this interferometer are presented.

© 2002 Optical Society of America

OCIS Codes
(100.5070) Image processing : Phase retrieval
(170.4500) Medical optics and biotechnology : Optical coherence tomography

Citation
Yonghua Zhao, Zhongping Chen, Zhihua Ding, Hongwu Ren, and J. Stuart Nelson, "Real-time phase-resolved functional optical coherence tomography by use of optical Hilbert transformation," Opt. Lett. 27, 98-100 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-2-98

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